Director: Dominic Sivyer
Cast: Lucy Letby
The Investigation of Lucy Letby is a 2026 British true-crime documentary directed by Dominic Sivyer, examining the case of Lucy Letby, a neonatal nurse convicted of murdering seven infants and attempting to murder seven more at the Countess of Chester Hospital, making her one of Britain's most notorious criminal cases in recent memory.
What is The Investigation Of Lucy Letby about?
Between 2015 and 2016, a series of unexplained deaths and medical crises in a neonatal unit at a hospital in northwest England left staff baffled and families devastated. At the center of the storm was a nurse who had been trusted with the most vulnerable patients imaginable — premature and critically ill newborns. The documentary reconstructs the years-long police inquiry that followed, from the earliest concerns raised inside the hospital to the landmark criminal trial that gripped a nation. Through interviews with investigators, legal experts, and those close to the case, it examines how investigators built their evidence, the challenges prosecutors faced, and what the conviction revealed about safeguarding failures within institutional healthcare.
Cast & crew
The documentary is directed by Dominic Sivyer and centers on the figure of Lucy Letby, the convicted nurse whose case became a watershed moment for child-protection policy in the United Kingdom. The film draws on testimony from investigators and legal participants rather than a conventional dramatic cast, situating the story within the factual record of the police inquiry and trial proceedings.
Context & significance
For Persian-speaking viewers in the diaspora, true-crime documentaries that interrogate institutional accountability and the failure of oversight systems carry a resonance that transcends national borders. The Lucy Letby case unfolded inside one of the most scrutinized healthcare systems in the world, yet warning signs went unheeded for years — a dynamic that speaks to universal concerns about trust, authority, and justice. The film is available on K-Time with Persian dubbing AND Persian subtitles, making it fully accessible for viewers who prefer to follow in their own language. Whether you watch true crime for the forensic detail, the courtroom drama, or the broader social questions a case raises, this documentary offers all three in a compact 95-minute runtime.
Where & how to watch
The Investigation of Lucy Letby is available on K-Time with both Persian dubbing and Persian subtitles. Stream it on your browser, smart TV, or phone with no VPN needed, no geo-blocking, and no extra download required. Cancel anytime.